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Explore the 10s and 1s places of numbers up to 19.
Decompose a number into 10s and 1s (CCSS.Math.Content.K.NBT.A.1):
Compose a number with 10 (CCSS.Math.Content.K.NBT.A.1):
Describe place value and perform addition and subtraction up to 120.
Describe the place values of a number (CCSS.Math.Content.1.NBT.B.2):
Compare the magnitudes of numbers (CCSS.Math.Content.1.NBT.B.3):
Add whole numbers (CCSS.Math.Content.1.NBT.C.4):
Subtract with multiples of 10 (CCSS.Math.Content.1.NBT.C.6):
Describe place value and perform addition and subtraction up to one thousand.
Describe the place values of a number (CCSS.Math.Content.2.NBT.A.1):
Compare the magnitudes of numbers (CCSS.Math.Content.2.NBT.A.4):
Add and subtract whole numbers (CCSS.Math.Content.2.NBT.B.7):
Use place value to round numbers and perform addition, subtraction and multiplication.
Round a number to a given place (CCSS.Math.Content.3.NBT.A.1):
Add and subtract whole numbers (CCSS.Math.Content.3.NBT.A.2):
Multiply single-digit whole numbers (CCSS.Math.Content.3.NBT.A.3):
Use place value to analyze numbers and perform addition, subtraction, multiplication and division.
Interpret a number in terms of place value (CCSS.Math.Content.4.NBT.A.1):
Compare the magnitudes of numbers (CCSS.Math.Content.4.NBT.A.2):
Add and subtract whole numbers (CCSS.Math.Content.4.NBT.B.4):
Multiply whole numbers (CCSS.Math.Content.4.NBT.B.5):
Divide whole numbers (CCSS.Math.Content.4.NBT.B.6):
Use place value to perform arithmetic, including with numbers expressed as decimals.
Interpret a number in terms of place value (CCSS.Math.Content.5.NBT.A.1):
Compare the magnitudes of numbers (CCSS.Math.Content.5.NBT.A.3b):
Round a number to any place value (CCSS.Math.Content.5.NBT.A.4):
Perform arithmetic with decimals (CCSS.Math.Content.5.NBT.B.7):